'Eponym' definitions:
Definition of 'eponym'
From: WordNet
noun
The person for whom something is named; "Constantine I is the eponym for Constantinople"
noun
The name derived from a person (real or imaginary); "Down's syndrome is an eponym for the English physician John Down"
Definition of 'Eponym'
From: GCIDE
- Eponym \Ep"o*nym\, Eponyme \Ep"o*nyme\, n. [Cf. F. ['e]ponyme. See Eponymous.]
- 1. The hypothetical individual who is assumed as the person from whom any race, city, etc., took its name; as, Hellen is an eponym of the Hellenes. [1913 Webster]
- 2. A name, as of a people, country, and the like, derived from that of an individual. [1913 Webster]